An athelete explains that his muscles have become well-developed through daily activities of weightlifting. He believes that his offspring will inherit this trait of well developed muscles. Which theory of Lamarck's does this example best demonstrate?

Lamarck called it Transformation.

Darwin was less than kind,he called this theory of Lamarck Pangenesis.

The theory of Lamarck's that this example best demonstrates is the theory of inheritance of acquired characteristics. According to Lamarck, an organism can pass on traits acquired during its lifetime to its offspring. In this case, the athlete believes that his well-developed muscles, acquired through daily weightlifting, will be inherited by his offspring. To reach this answer, you need to understand Lamarck's theory and identify the specific example that aligns with it.